Zone Forecast Product
Issued by NWS Chicago, IL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
341
FPUS53 KLOT 220906
ZFPLOT

Zone Forecast Product
National Weather Service Chicago/Romeoville, IL
405 AM CDT Sat Aug 22 2026

ILZ104-230000-
Central Cook-
Including the cities of Chicago, Cicero, Oak Lawn, Oak Park,
and La Grange
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. Temperatures in the upper
60s. West winds 5 to 10 mph.
.TODAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph.
Chance of precipitation 20 percent.
.TONIGHT...Mostly clear. Lows in the lower 60s. Northwest winds
5 to 10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds
5 to 10 mph, becoming west after midnight.
.MONDAY...Partly cloudy. Highs in the mid 70s. North winds around
5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly clear after midnight. Lows in the mid 60s.
Chance of precipitation 40 percent.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.FRIDAY...Partly cloudy. Highs around 80.

$$

ILZ103-230000-
Northern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, and Northbrook
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds 5 to 10 mph.
.TODAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph.
Gusts up to 25 mph in the afternoon. Chance of precipitation
20 percent.
.TONIGHT...Mostly clear. Lows around 60. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds 5 to 10 mph.
.MONDAY...Partly cloudy. Highs in the upper 70s. North winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the mid 60s.
.THURSDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s.
.FRIDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ105-230000-
Southern Cook-
Including the cities of Calumet City, Oak Forest, Lemont,
Orland Park, and Park Forest
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Northwest
winds 10 to 15 mph. Chance of precipitation 20 percent.
.TONIGHT...Mostly clear. Lows around 60. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph, becoming west after midnight.
.MONDAY...Partly cloudy. Highs in the mid 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly clear after midnight. Lows in the mid 60s.
Chance of precipitation 40 percent.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ006-230000-
Lake IL-
Including the cities of Waukegan, Buffalo Grove, Mundelein,
and Gurnee
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds 5 to 10 mph.
.TODAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph.
Gusts up to 25 mph in the afternoon. Chance of precipitation
20 percent.
.TONIGHT...Mostly clear. A slight chance of showers and
thunderstorms early in the evening. Lows in the upper 50s.
Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the mid 70s. North winds around
5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 60s.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear in the evening, then becoming
partly cloudy. Lows in the lower 60s.
.FRIDAY...Partly cloudy. Highs around 80.

$$

ILZ005-230000-
McHenry-
Including the cities of Crystal Lake, Algonquin, McHenry,
and Woodstock
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the lower
60s. Northwest winds 5 to 10 mph.
.TODAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph,
increasing to 10 to 15 mph with gusts up to 25 mph in the
afternoon. Chance of precipitation 20 percent.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the mid 70s. North winds around
5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 60s.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.

$$

ILZ012-230000-
Kane-
Including the cities of Aurora and Elgin
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds 5 to 10 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
10 to 15 mph. Gusts up to 25 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the mid 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.

$$

ILZ013-230000-
DuPage-
Including the cities of Naperville, Wheaton, Downers Grove,
Lombard, and Carol Stream
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph.
Chance of precipitation 20 percent.
.TONIGHT...Mostly clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph, increasing to
10 to 15 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the upper 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 40 percent.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly clear after midnight. Lows in the mid 60s.
Chance of precipitation 30 percent.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s.
.FRIDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ020-230000-
Kendall-
Including the cities of Oswego, Yorkville, and Plano
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the upper 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ106-230000-
Northern Will-
Including the cities of Joliet, Bolingbrook, Plainfield,
and Mokena
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy late, then becoming partly
cloudy. Temperatures in the mid 60s. West winds around 5 mph.
.TODAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph.
Chance of precipitation 20 percent.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the upper 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly clear after midnight. Lows in the lower 60s.
Chance of precipitation 40 percent.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ107-230000-
Southern Will-
Including the cities of Channahon, Manhattan, and Wilmington
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy late, then becoming partly
cloudy. Temperatures in the mid 60s. West winds around 5 mph.
.TODAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 10 to 15 mph.
Chance of precipitation 20 percent.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the upper 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly clear after midnight. Lows in the lower 60s.
Chance of precipitation 40 percent.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ108-230000-
Eastern Will-
Including the cities of Crete, Peotone, and Beecher
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Northwest
winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
Chance of precipitation 20 percent.
.TONIGHT...Mostly clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 5 mph, becoming southwest after midnight.
.MONDAY...Partly cloudy. Highs in the mid 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows around 60.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs around 80. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Lows in the lower 60s. Chance of precipitation
40 percent.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.

$$

INZ001-230000-
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. Temperatures in the mid 60s.
West winds 5 to 10 mph.
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Northwest
winds 10 to 15 mph. Chance of precipitation 20 percent.
.TONIGHT...Mostly clear. Lows around 60. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 10 to 15 mph, becoming
north 5 to 10 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
5 to 10 mph, becoming southwest after midnight.
.MONDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. West winds around 5 mph, becoming
north in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Lows in the lower 60s. Chance of precipitation
40 percent.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.

$$

INZ002-230000-
Porter-
Including the cities of Portage, Valparaiso, and Chesterton
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. A slight chance of showers
late. Temperatures in the mid 60s. Southwest winds 5 to 10 mph.
Chance of precipitation 20 percent.
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s. Northwest
winds 10 to 15 mph. Chance of precipitation 20 percent.
.TONIGHT...Partly cloudy in the evening, then becoming mostly
clear. A slight chance of showers late in the evening. Lows in
the lower 60s. Northwest winds 5 to 10 mph. Chance of
precipitation 20 percent.
.SUNDAY...Mostly sunny. Highs in the lower 70s. Northwest winds
10 to 15 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
5 to 10 mph, becoming southwest after midnight.
.MONDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the mid 70s. West winds around 5 mph, becoming
north in the afternoon.
.MONDAY NIGHT...Mostly clear. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows around 60.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs around 80. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Lows in the lower 60s. Chance of precipitation
40 percent.
.THURSDAY...Mostly sunny. Highs in the upper 70s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Partly cloudy. Highs in the upper 70s.

$$

ILZ003-230000-
Winnebago-
Including the city of Rockford
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly clear. Temperatures in the lower
60s. Northwest winds 5 to 10 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
10 to 15 mph. Gusts up to 25 mph in the afternoon.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the mid 70s. Northeast winds
around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ004-230000-
Boone-
Including the city of Belvidere
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the lower
60s. Northwest winds 5 to 10 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
10 to 15 mph. Gusts up to 25 mph in the afternoon.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the mid 70s. North winds around
5 mph.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing.
Lows in the lower 60s.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows around 60.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.

$$

ILZ008-230000-
Ogle-
Including the cities of Rochelle, Oregon, and Byron
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly clear. Temperatures in the lower
60s. Northwest winds around 5 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
10 to 15 mph. Gusts up to 25 mph in the afternoon.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the upper 70s. North winds
around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Mostly clear in the evening, then becoming partly
cloudy. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows around 60.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ011-230000-
De Kalb-
Including the cities of DeKalb and Sycamore
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy late, then becoming mostly
clear. Temperatures in the lower 60s. Northwest winds 5 to
10 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
10 to 15 mph. Gusts up to 25 mph in the afternoon.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the mid 70s. North winds around
5 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
40 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ010-230000-
Lee-
Including the city of Dixon
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly clear. Temperatures in the lower
60s. Northwest winds around 5 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph
in the afternoon.
.TONIGHT...Clear. Lows in the mid 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph.
.MONDAY...Partly cloudy. Highs in the upper 70s. North winds
around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ019-230000-
La Salle-
Including the cities of Ottawa, Streator, La Salle, Mendota,
and Marseilles
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy late, then becoming mostly
clear. Temperatures in the mid 60s. West winds 5 to 10 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the upper 70s. Light and
variable winds, becoming northwest around 5 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ021-230000-
Grundy-
Including the cities of Morris, Coal City, and Minooka
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the upper 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms
in the afternoon. Highs in the lower 80s. Chance of precipitation
30 percent.
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly clear after midnight. Lows in the mid 60s.
Chance of precipitation 30 percent.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s.
.FRIDAY...Partly cloudy. Highs in the lower 80s.

$$

ILZ032-230000-
Livingston-
Including the cities of Pontiac, Dwight, and Fairbury
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the upper 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the upper 70s. West winds
around 5 mph, becoming north in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 50s.
.TUESDAY...Partly cloudy. Highs around 80.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Partly cloudy. Highs in the lower 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 60s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ023-230000-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Northwest
winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
Chance of precipitation 20 percent.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph, becoming west after midnight.
.MONDAY...Partly cloudy. Highs in the mid 70s. Northwest winds
around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows around 60.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon.
Highs in the lower 80s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Lows in the lower 60s. Chance of precipitation
40 percent.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ039-230000-
Ford-
Including the cities of Paxton and Gibson City
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Partly cloudy. Temperatures in the mid 60s.
West winds around 5 mph.
.TODAY...Mostly sunny. Highs in the upper 70s. Northwest winds
5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the upper 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the upper 70s. Southwest winds
around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the upper 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

ILZ033-230000-
Iroquois-
Including the cities of Watseka and Gilman
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy late, then becoming partly
cloudy. A slight chance of showers late. Temperatures in the mid
60s. West winds around 5 mph. Chance of precipitation 20 percent.
.TODAY...Partly cloudy in the morning, then becoming mostly
sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Clear. Lows in the upper 50s. Northwest winds 5 to
10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the upper 70s. West winds
around 5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 60s.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Highs in the lower 80s.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Lows in the lower 60s. Chance of precipitation
40 percent.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

INZ010-230000-
Newton-
Including the cities of Roselawn, Kentland, and Morocco
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. A slight chance of showers
late. Temperatures in the mid 60s. Southwest winds around 5 mph.
Chance of precipitation 20 percent.
.TODAY...Partly cloudy. A slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s. Northwest
winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
Chance of precipitation 20 percent.
.TONIGHT...Mostly clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds
around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the mid 70s. West winds around
5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers in the afternoon. Highs in the lower
80s. Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Lows in the lower 60s. Chance of precipitation
40 percent.
.THURSDAY...Mostly sunny. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$

INZ011-230000-
Jasper-
Including the cities of Rensselaer and DeMotte
405 AM CDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. A slight chance of showers
late. Temperatures in the mid 60s. Southwest winds around 5 mph.
Chance of precipitation 20 percent.
.TODAY...Mostly cloudy in the morning, then becoming partly
cloudy. A slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph,
increasing to 10 to 15 mph in the afternoon. Chance of
precipitation 20 percent.
.TONIGHT...Mostly clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds
around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the mid 70s. West winds around
5 mph, becoming northwest in the afternoon.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 50s.
.TUESDAY...Partly cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s.
.WEDNESDAY...Mostly cloudy in the morning, then partly cloudy
with a chance of showers in the afternoon. Highs around 80.
Chance of precipitation 30 percent.
.WEDNESDAY NIGHT...Partly cloudy. A chance of showers in the
evening. Lows in the lower 60s. Chance of precipitation
40 percent.
.THURSDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs around 80.

$$

INZ019-230000-
Benton-
Including the cities of Fowler and Oxford
505 AM EDT Sat Aug 22 2026

.EARLY THIS MORNING...Mostly cloudy. A slight chance of showers
and thunderstorms late. Temperatures in the mid 60s. Southwest
winds around 5 mph. Chance of precipitation 20 percent.
.TODAY...Partly cloudy in the morning then clearing. Highs in the
upper 70s. Northwest winds 5 to 10 mph.
.TONIGHT...Mostly clear. Lows in the upper 50s. Northwest winds
5 to 10 mph.
.SUNDAY...Sunny in the morning, then becoming partly cloudy.
Highs in the mid 70s. Northwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Partly cloudy. Highs in the mid 70s. West winds around
5 mph.
.MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows
in the mid 50s.
.TUESDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the upper 70s.
.TUESDAY NIGHT...Partly cloudy. Lows around 60.
.WEDNESDAY...Partly cloudy. Highs around 80.
.WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s.
.THURSDAY...Mostly sunny. Highs in the lower 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s.
.FRIDAY...Mostly sunny in the morning, then becoming partly
cloudy. Highs in the lower 80s.

$$